Origin
India
Southern and central Africa
Color
Blue, Greenish
White, Colorless, gray, Yellow
Streak
Blue, White
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.25-2.332.45-2.50
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Good on {010}
Poor on {110}
Mohs Hardness
3-45.5-6
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Visible: X=Z= colorless Y= blue
-
Dispersion
0.040.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.5421.504-1.510
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
tetragonal
Birefringence
0.0090.001
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
3.4g
Digestive
-
-
Psychology
Communication
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Balance